D-group chromosome translocations have been associated in isolated cases
with infertility in males. In this study, we demonstrated the effect of a
translocated D-group chromosome on spermatogenesis as it had ...

The circadian pattern in levels of serum total testosterone (T) in men
becomes blunted with normal aging. However, because T not bound to sex
hormone-binding globulin (non-SHBG-T) is felt to be a better
...

Serum testosterone (T) levels in men decline with age while serum LH
levels, as measured by RIA, increase. To assess if the decline in serum T
levels in healthy aging men is paralleled by an age-related decline ...